computing or determining the amount of maximum flood debit in watershed is one of the main important parts of hydrological research in river improvement. in this regard it is necessary to be distinguished peak of flood flow and its hydrograph for favorable return period. this needs to have long time statistic and leminograph tools in study research area. in this study with the comparison of ava...

[Background] Mountain torrent disasters are one of the deadliest weather-related natural in world, often causing extremely serious economic and property losses casualties; recent years, due to heavy rainfall complex geological geomorphological conditions, mountain have occurred frequently Gansu Province. An effective rainfall-runoff model is key prevent them. There still many problems about how...

The Spreadsheet Tool for the Estimation of Pollutant Load (STEPL) can be used for Total Maximum Daily Load (TMDL) processes, since the model is capable of simulating the impacts of various best management practices (BMPs) and low impact development (LID) practices. The model computes average annual direct runoff using the Soil Conservation Service Curve Number (SCS-CN) method with average rainf...

Hydrological models are the simplified, conceptual and mathematical description of rainfall, runoff, oceans, rivers, groundwater, snow etc. Rainfall-runoff modeling in the broader sense a hydrological, mathematical model gives a detailed account of Rainfall-Runoff relationships of a catchment area or watershed. Conversion of rainfall into runoff takes place in the modelling. There are many meth...

This paper focuses on the integration of basin sediment transport with a physically-based hydrological model that links the water budget model WaSiM (Water Simulation Model) to the erosion model AGNPS__5. The results of the water budget simulation are then incorporated into the AGNPS_5 model to calculate sediment transport. The surface runoff calculated in WaSiM replaces the SCS curve number ru...

James C.Y. Guo, PhD, P.E. Professor, Department of Civil Engineering, University of Colorado at Denver, Denver, Colorado 80204. E-mail: [email protected] ___________________________________________________________________________________________ Abstract: A semi-virtual watershed model is presented in this study. This model places the design rainfall distribution on the input layer and t...

HEC HMS merupakan salah satu aplikasi pemodelan yang dapat digunakan untuk memodelkan nilai limpasan harian maupun bulanan berdasarkan karakteristik DAS. Tujuan penelitian ini adalah 1) Mengkaji fisik DAS Serang direpresentasikan oleh curve number (CN) 2) aliran berupa debit puncak, volume outflow, dan waktu puncak dari hidrograf banjir terukur dengan hasil menggunakan HEC-HMS. Nilai CN ditentu...

Hydrological modeling is a widely used approach for estimating the hydrological response of basin to precipitation. Floods are among most catastrophic natural disasters in small urban watersheds, inflicting loss life, massive property destruction, and severe danger economy. As result, appropriate can be useful tool preventing mitigating such flood hazards. Despite this, flash prediction remains...